San Francisco, California prices:$100 in 1999→$173.44 in 2020

Inflation in California

Prices in San Francisco, 1999-2020 ($100)

According to the U.S. Bureau of Labor Statistics, prices in San Francisco, California were
73.44% higher
in 2020 versus 1999 (a $73.44 difference in value).

Between 1999 and 2020:San Francisco experienced an average inflation rate of 2.66% per year.
This rate of change indicates significant inflation.
In other words, $100 in San Francisco in the year 1999 would cost $173.44 in 2020 for an equivalent purchase.
Compared to the overall inflation rate of 2.10% during this same period, inflation in San Francisco was
higher.

In the year 1999: Pricing changed by 4.13%, which is
above the average yearly
change in San Francisco during the 1999-2020 time period.
Compared to inflation for all items in 1999 (2.19%), inflation in San Francisco was
higher.

Price Inflation in San Francisco, California since 1914

Consumer Price Index, U.S. Bureau of Labor Statistics

Years with the largest changes in pricing:
1919 (23.50%),
1918 (16.53%),
and 1920 (16%).

Raw Consumer Price Index data from U.S. Bureau of Labor Statistics for San Francisco, California:

How to calculate the inflation rate for San Francisco, 1999-2020

Then plug in historical CPI values from above. The CPI for San Francisco, California was 172.175 in the year 1999 and 298.615 in 2020:

298.615 / 172.175* $100 = $173.44

Therefore, according to U.S. Bureau of Labor Statistics, $100 in 1999 has the same "purchasing power" as $173.44 in 2020 (in the CPI category of San Francisco, California).

Source: U.S. Bureau of Labor Statistics began tracking the Consumer Price Index for San Francisco, California in 1914. In addition to San Francisco, the index produces monthly data on changes in prices paid by urban consumers for a variety of goods and services.